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Finding the Fourth Proportional to 316,043.80, 474,908.10 and 174,002.20

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Solution

The fourth proportional to 316,043.80, 474,908.10 and 174,002.20 is: 261,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,043.80 : 474,908.10 = 174,002.20 : x
  2. Step 2: Convert to fraction form
    316,043.80/474,908.10 = 174,002.20/x
  3. Step 3: Cross multiply
    316,043.80x = 474,908.10 × 174,002.20
  4. Step 4: Simplify right side
    316,043.80x = 82,635,054,197.82
  5. Step 5: Solve for x
    x = 82,635,054,197.82/316,043.80
  6. Step 6: Final answer
    x = 261,467.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.